149006280 has 64 divisors (see below), whose sum is σ = 453340800. Its totient is φ = 39173120.

The previous prime is 149006261. The next prime is 149006317. The reversal of 149006280 is 82600941.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225 + ... + 17264.

It is an arithmetic number, because the mean of its divisors is an integer number (7083450).

Almost surely, 2^149006280 is an apocalyptic number.

149006280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149006280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226670400).

149006280 is an abundant number, since it is smaller than the sum of its proper divisors (304334520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149006280 is a wasteful number, since it uses less digits than its factorization.

149006280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17574 (or 17570 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 149006280 is about 12206.8128518463. The cubic root of 149006280 is about 530.1533672685.

The spelling of 149006280 in words is "one hundred forty-nine million, six thousand, two hundred eighty".